Kamolaxon , Haydarova, To’ychiboyev Abbosjon, and Sardor Nurmatov. 2025. “DEVELOPMENT OF A DEVICE PROJECT THAT DETERMINES THE AMOUNT OF ELEMENTS THAT ENSURE SOIL FERTILITY (POTASSIUM, CALCIUM, NITROGEN)”. QO‘QON UNIVERSITETI XABARNOMASI 14 (March):242-47. https://doi.org/10.54613/ku.v14i.1174.